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You're comparing apples to oranges here. The reason why you can "generalize" gravity on other planets, is due to its mass. So, when trying to calculate the gravity on other planets, we look at its mass, moons, and the orbit around its star, and use calculations to come to the conclusions. And gravity is all around us, therefore, we know it actually exists. Life on other planets, is based on assumption. Any kind of equations for life on other planets is just that, "assumption", and is generalized based off of that. Its not valid, when there is no actual basis for the actual estimate. If I go to a farm that has eggs, flour, and milk, doesn't mean that there is cake lying around.
Originally posted by Indigo_Child
reply to post by symmetricAvenger
It's simple really, I demonstrated the argument earlier on. There is life on this planet, therefore there is no reason to believe there isn't life on other planets . We can generalise from the particular of life on earth, to life on other planets like earth. Just as we can generalise gravity on a random planet in a universe from the particular of gravity on earth. It is setting up a relationship of invariable concomitance. It's as valid as any other scientific generalization.
My definition of "Earth like" planets would be one that could harbor life. Not a planet that has the ingredient to hold life. In order for carbon based life to exist on a planet, you need water, which some planets supposedly exist in the universe, but what ISN'T common, is the correct distance around their Sun-like-Star. Its like saying, you can mix all the ingredients for a cake correctly, but if you put it in the oven to short, it wont bake correctly, and if you keep it in for to long, it will burn. Its not a cake, its just a mess. And according to everything I can find, every planet-discovery that has been detected, has shown the wrong conditions to harbor life. Sure, they hold some ingredients, but its not enough to "bake" correctly. Remember, we're looking for cake, not flour here.
As it stands there are estimated to be trillions of earth like planets in our galaxy.
Originally posted by symmetricAvenger
proof does not play a roll in the sanrio you are painting.. try to put your arugment based on methord and not what ifs or papers or witness but logic and probility...
You're comparing apples to oranges here. The reason why you can "generalize" gravity on other planets, is due to its mass. So, when trying to calculate the gravity on other planets, we look at its mass, moons, and the orbit around its star, and use calculations to come to the conclusions. And gravity is all around us, therefore, we know it actually exists. Life on other planets, is based on assumption. Any kind of equations for life on other planets is just that, "assumption", and is generalized based off of that. Its not valid, when there is no actual basis for the actual estimate. If I go to a farm that has eggs, flour, and milk, doesn't mean that there is cake lying around.
My definition of "Earth like" planets would be one that could harbor life. Not a planet that has the ingredient to hold life. In order for carbon based life to exist on a planet, you need water, which some planets supposedly exist in the universe, but what ISN'T common, is the correct distance around their Sun-like-Star. Its like saying, you can mix all the ingredients for a cake correctly, but if you put it in the oven to short, it wont bake correctly, and if you keep it in for to long, it will burn. Its not a cake, its just a mess. And according to everything I can find, every planet-discovery that has been detected, has shown the wrong conditions to harbor life. Sure, they hold some ingredients, but its not enough to "bake" correctly. Remember, we're looking for cake, not flour here.
I don't find any estimation/hypothesis valid to say there is life outside of this planet, but more of a belief left to faith. You say, "since there's life on this planet, that its a valid hypothesis to think that there's life on other planets"? But its just assumption built up from theories, with no evidence to support the hypothesis.
Its almost like saying you think that today the times 1:04am and 1:20am coexist at the same moment in time. We had evidence earlier today that 1:04am did indeed exist, but once 1:05am came about, that time was over, and we were heading into the future towards 1:20am, therefore, they don't exist at the same time. Sure, both were observable to us, but we know through calculation that they don't exist at the same time. Maybe there was life on other planets millions of years ago, but then died out, and now we exist for this moment in time. And when we die out, another will pop up, etc etc.
Yes, but when I say you comparing "apples to oranges", I mean through actual evidence at hand. A hypothesis always starts with assumption, but doesn't become valid until something can be observed and tested.
Originally posted by Indigo_Child
You say gravity is due to mass.
That is what I said as well that we make a scientific generalization between mass and gravity. It may turn out that mass has nothing to do with gravity, that is logically possible, but at the moment because mass and gravity are observed together we generalise and establish relationships of invariable concomitance. We do the same with time, as time flows forwards on our planet, we assume that time is flowing forwards on every planet. Again, according to scientific logic, it is a valid generalization.
Similarly, we know there is a relationship of invariable concomitance between the conditions on life on our planet and the conditions of life on other planets, and therefore just as we can conclude gravity on another planet, we can generalise life on an earth-like planet.
Right. I do believe that there is life on other planets in the Universe, but that's from my own faith. We know what conditions are needed to look for life, but again, we don't know for certain that it even exist. And with what technology we have right now, we can't detect anything. So, we're basing a hypothesis on assumption(faith), which doesn't validate anything. Einsteins Theory of Relativity is just that, a theory, but we have corroborated evidence to support his claims, and in turn, his theory/hypothesis becomes valid through experimentation and testing. Its not 100% law just yet, but it is valid non-the-less.
Well the diference is here you know how the cake bakes and how the ingrediants are mixed together. However, in the cake of life and the ingrediants of the conditions of our planet we don't actually know how it all happens. So we cannot really say how life happens, what conditions are required, what combinations and permutations, what chances etc etc All of this is unknown. The only thing we can know that life on planet is a known phenomenon, and we have no reason to believe that it cannot happen on another planet.
And that's my point. I'm not telling you that you're wrong, but I am saying the hypothesis isn't valid.
Again I said about why I am cautious with the qualification earth-like, but there is no reason to believe that a planet like Mars or Venus cannot support some kind of life. We cannot say for certain because we have not been there. Indeed, we might be told what is there, but that is subject to whether you believe it or not.
Actually, with all do respect, I think you have it turned around. Having something become "valid" is more in tune with science, while "faith" lies more towards religion.
Here is the problem in the theory we are the only life in the universe. It's not founded on any scientific foundation, but on religious sentiment alone.
Well, we are all apart of the homeostasis of this planet, so its not out of the question. But this discussion is for conscious life, that is intelligent enough to venture outside its host(planet).
The truth is life occured on this planet within the equivalent of hours(in earth time) of it coming into being. Then the conditions on earth were not as they are today, but still life formed. Thus suggesting this is not some improbable phenomenon, but a rather ordinary phenomenon related to planets. One could even argue there is a teleology.
So as there is no reason to believe that the universe is not teeming with life, and such a belief is only grounded in faith, it follows that ETH is a valid hypothesis.
Originally posted by SaviorComplex
Originally posted by Malcram
Hardly. There is a vast difference between occasional visitors not being well documented or covered up and and entire advanced civilizations of permanent residents going unnoticed.
Not at all. You are making assumptions both about ETs and CTs that you have no basis to make.
Originally posted by Malcram
Again, there is a vast difference between ET visitors who perhaps don't mind being seen because they can leave the planet and an advanced cryptoterrestrial civilization, which obviously wants to remain hidden, flying their craft lit up like Christmas trees over major cities.
No, there isn't. Again, you are making assumptions about ETs and CTs, in particular their psychology and intentions, you have no basis to make.
Originally posted by Malcram
No one is saying that we are the first intelligent species that has evolved on this planet, but it is absurd to suggest that the idea an entire civilization of cryptoterrestrials...is 'as logical' and reasonable as occassional ET visitors to earth as an explanation for the UFO phenomenon.
First, I did not say anyone was. Trademark distortion.
Originally posted by SaviorComplex
it is just as reasonable and logical to believe we are not the first intelligent species that has evolved on this planet
And again, you are making assumptions you have no basis to make. It is no more absurd than the extraterrestial hypothesis....
the only reason you or Child believe it to be is because you are forced to make vast assumptions in order to pretend that the ETH is the only logical explanation.
In fact, Cryptoterrestrials have a lot less complications than extraterrestrials.
For instance, logically speaking, which is more likely to have an interest in human activity (especially nuclear weapons, to use your example from earlier) on this planet?
Originally posted by Malcram
You can't recognize the difference between the small numbers of ET visitors...and the huge number of phantom residents it would take to account for an entire civilization of secret cryptoterrestrials
Originally posted by Malcram
That they are seen regularly over populated areas and sometimes actively engage with aircraft etc shows they don't always mind being seen (no assumption).
Originally posted by Malcram
You find a huge pile of elephant poo in your garden. I am claiming it is more logical that it has come from an elephant from a local zoo, you are claiming it is more logical that the giant herd of invisible Woolly Mammoths that live in your attic did it It's possible. It's not "as logical". There are many more complications.
Originally posted by Malcram
You just said that there are a lot less complications with the cryptoterrestrials. What you describe here is not a complication. You have switched issues. Now you are discussing motivation.
Originally posted by Malcram
The complications for the entire civilization of hidden cryptoterrestrials are vast compared to a few ET visitors which is why it has to only be considered if the ETH is rendered invalid by the evidence. It isn't.
Originally posted by Malcram
And so it's illegitimate to try to support the crypto-T theory by talking about who would be most likely to care about nuclear installations...
Yes, but when I say you comparing "apples to oranges", I mean through actual evidence at hand. A hypothesis always starts with assumption, but doesn't become valid until something can be observed and tested.
Right. I do believe that there is life on other planets in the Universe, but that's from my own faith. We know what conditions are needed to look for life, but again, we don't know for certain that it even exist. And with what technology we have right now, we can't detect anything. So, we're basing a hypothesis on assumption(faith), which doesn't validate anything.
Actually, with all do respect, I think you have it turned around. Having something become "valid" is more in tune with science, while "faith" lies more towards religion.
Well, we are all apart of the homeostasis of this planet, so its not out of the question. But this discussion is for conscious life, that is intelligent enough to venture outside its host(planet).
Hehe, no, it doesn't show any sort of validity, just assumption. And that's my major point, that this is very much a hypothesis, but in no way is it valid.
Originally posted by Malcram
You find a huge pile of elephant poo in your garden. I am claiming it is more logical that it has come from an elephant from a local zoo, you are claiming it is more logical that the giant herd of invisible Woolly Mammoths that live in your attic did it.
Most of this stuff is moot anyway. Obviously in the beginning there had to be planets where humanoid life evolved
yes its called earth... does not mean there is life other human type beings in outer space. we can only postulate that based on some things we understand to be closer to logical than not...